Thomas & Betts LDAP 1200 - Manual (Page 29)

Form RZ-NA-I-LDAP, P/N 207733 (Rev 2), Page 29
FIGURE 18 - Horizontal Vent Terminal
NOTE: Read all measurements; drawing is not proportional.
A clearance thimble is required when flue pipe extends through combustible
materials. Follow the requirements of the thimble and/or the vent pipe manufacturer.
Pitch flue pipe down toward
outlet 1/4” per foot for con-
densate drainage. (NOTE: Slope
applies to entire horizontal vent run.)
12”
( 305 mm)
Wall
Roof or Building Overhang
3 ft (1M)
minimum
6 ft (1.8M) minimum
Reznor (Option CC1)
or Equivalent Vent Cap -
note positions of vent cap
openings (shaded areas)
Parapet or
Adjoining Building
Double-Wall* or Category III
Terminal Vent Pipe
Vent Run
(Comply
with Re-
quirements
No. 1) & 2)
on page 25.)
*Follow the instructions in FIGURES 16B and 16C, pages
26 and 27, to join a double-wall vent terminal section to a
single-wall vent run and to the vent cap.
6” (152mm) minimum
Roof -
pitched
from
0 to 45°
A clearance thimble is required when
flue pipe extends through combustible
materials. Follow the requirements
of the thimble and/or the vent pipe
manufacturer.
Vertical flue extension must
be 6” (152mm) higher than
anticipated snow depth but
no less than 2 ft (610mm) above
the roof.
Roof Flashing
6” (152mm) minimum
Parapet or
A
djoining Building
6 ft (1.8M)
minimum
Double-Wall* or Category III
Terminal Vent Pipe*
Reznor (Option CC1)
or equivalent vent cap
Vent Pipe (Comply with Requirements
No. 1) and 2) on page 25.)
*Follow the instructions in FIGURES 16B
and 16C, pages 26 and 27, to join a double-
wall vent terminal section to a single-wall
vent run and to the vent cap.
FIGURE 19 - Vertical Vent Terminal
NOTE: Read all measurements; drawing is not proportional.